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  1. // Copyright 2013, Google Inc.
  2. // All rights reserved.
  3. //
  4. // Redistribution and use in source and binary forms, with or without
  5. // modification, are permitted provided that the following conditions are
  6. // met:
  7. //
  8. //     * Redistributions of source code must retain the above copyright
  9. // notice, this list of conditions and the following disclaimer.
  10. //     * Redistributions in binary form must reproduce the above
  11. // copyright notice, this list of conditions and the following disclaimer
  12. // in the documentation and/or other materials provided with the
  13. // distribution.
  14. //     * Neither the name of Google Inc. nor the names of its
  15. // contributors may be used to endorse or promote products derived from
  16. // this software without specific prior written permission.
  17. //
  18. // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19. // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20. // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21. // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22. // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23. // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24. // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25. // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26. // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28. // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29.  
  30.  
  31. // Tests Google Mock's functionality that depends on exceptions.
  32.  
  33. #include "gmock/gmock.h"
  34. #include "gtest/gtest.h"
  35.  
  36. #if GTEST_HAS_EXCEPTIONS
  37. namespace {
  38.  
  39. using testing::HasSubstr;
  40.  
  41. using testing::internal::GoogleTestFailureException;
  42.  
  43. // A type that cannot be default constructed.
  44. class NonDefaultConstructible {
  45.  public:
  46.   explicit NonDefaultConstructible(int /* dummy */) {}
  47. };
  48.  
  49. class MockFoo {
  50.  public:
  51.   // A mock method that returns a user-defined type.  Google Mock
  52.   // doesn't know what the default value for this type is.
  53.   MOCK_METHOD0(GetNonDefaultConstructible, NonDefaultConstructible());
  54. };
  55.  
  56. TEST(DefaultValueTest, ThrowsRuntimeErrorWhenNoDefaultValue) {
  57.   MockFoo mock;
  58.   try {
  59.     // No expectation is set on this method, so Google Mock must
  60.     // return the default value.  However, since Google Mock knows
  61.     // nothing about the return type, it doesn't know what to return,
  62.     // and has to throw (when exceptions are enabled) or abort
  63.     // (otherwise).
  64.     mock.GetNonDefaultConstructible();
  65.     FAIL() << "GetNonDefaultConstructible()'s return type has no default "
  66.            << "value, so Google Mock should have thrown.";
  67.   } catch (const GoogleTestFailureException& /* unused */) {
  68.     FAIL() << "Google Test does not try to catch an exception of type "
  69.            << "GoogleTestFailureException, which is used for reporting "
  70.            << "a failure to other testing frameworks.  Google Mock should "
  71.            << "not throw a GoogleTestFailureException as it will kill the "
  72.            << "entire test program instead of just the current TEST.";
  73.   } catch (const std::exception& ex) {
  74.     EXPECT_THAT(ex.what(), HasSubstr("has no default value"));
  75.   }
  76. }
  77.  
  78.  
  79. }  // unnamed namespace
  80. #endif
  81.